Mini Handsfree CD200 doorphone station

Mini Doorphone unit with two way audio and call button. Requires TD-AVR-200 Telephone Line Interface Module.  TD-AVR-200 offers direct connection to a standard telephone line, standalone system or connection in to a trunk port of a PABX.  Enables door release function for up to two doors and switching between telephone line and doorphone using pushbutton commands from the telephone.

Full duplex two way speech Machined aluminium panel 100m from panel no power required for speech at gate end 2 wire connectivity for speech between house and gate. TD-AVR-200 requires a further 2 wires and isolate relay per gate control
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